20921361 (number)

20921361 is an odd 8-digits composite number following 20921360 and preceding 20921362. In scientific notation, it is written as 2.0921361 × 10^7. The sum of its digits is 24. It has a total of 2 prime factors and 4 positive divisors. There are 13947572 positive integers (up to 20921361) that are relatively prime to 20921361.

Interesting facts

Basic properties

Name

Name twenty million nine hundred twenty-one thousand three hundred sixty-one

Notation

Scientific notation 2.0921361 × 10^7
Engineering notation 2.0921361 × 10^6

Prime Factorization of 20921361

Prime Factorization 3 × 6973787

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20921361
Product of the distinct prime numbers

The prime factorization of 20921361 is 3 × 6973787. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20921361)

Multiplication

n×y
n×2 41842722
n×3 62764083
n×4 83685444
n×5 104606805

Division

n÷y
n÷2 10460680.5
n÷3 6973787
n÷3 5230340.25
n÷5 4184272.2

Exponentiation

ny
n2 437703346092321
n3 9.1573497145054E+21
n4 1.9158421918041E+29
n5 4.0082026113766E+36

Nth Root

y√n
2√n 4573.9874289289
3√n 275.54760744818
4√n 67.631260737391
5√n 29.11507992638

Divisors of 20921361

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20921360
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20921361 can be divided by 4 positive divisors. The sum of these divisors (counting 20921361) is 1, the average is 0.25.

Base conversion 20921361

Base System Value
2 Binary 1001111110011110000010001
3 Ternary 1110100220201020
4 Quaternary 1033303300101
5 Quinary 20323440421
6 Senary 2024230053
8 Octal 117636021
10 Decimal 20921361
12 Duodecimal 700b329
16 Hexadecimal 13f3c11
20 Vigesimal 6af381
36 Base36 cgf0x

Cryptographic Hash Functions

md5 3bbc5dd5c0440e5cfb57d94fc7d30fa1
sha1 cf31835bbd53280ed5eacdd43abdc4fc00d2a00d
sha256 8ce483d3972e1d742567165e1e31fcda658b8804661f66ca68ce9f92d36dcb15
sha512 0eb10c87b8f97c93b48acee4cdd277ec8e3d49aec16c4782e3022043972266eb600cdbaac03f4f9f0c5c7fdb1620ed1274d922ed1348ebbd9f1dcaedb8483c6d
ripemd-160 97f4f0ad85b2c8a374e18ac6537378789b91348d

20921361 as geometric shapes

Circle

Radius = n
Diameter 41842722
Circumference 131452788.0414
Area 1.3750856165353E+15

Sphere

Radius = n
Volume 3.8358216785924E+22
Surface area 5.5003424661412E+15
Circumference 131452788.0414

Square

Length = n
Perimeter 83685444
Area 437703346092321
Diagonal 29587272.469504

Cube

Length = n
Surface area 2626220076553926
Volume 9.1573497145054E+21
Space diagonal 36236860.21549

Equilateral Triangle

Length = n
Perimeter 62764083
Area 1.895311085187E+14
Altitude 18118430.107745

Triangular Pyramid

Length = n
Surface area 1.895311085187E+14
Volume 1.0792040134706E+21
Height 9862424.1565012